Thermochemistry Vocabulary

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Across
  1. 1. A group of interacting, interrelated, or interdependent elements forming a complex whole.
  2. 3. The potential energy change of a system during a chemical change.
  3. 6. A reaction is said to be _______ when energy is a product.
  4. 7. The branch of physical science that deals with the relations between heat and other forms of energy.
  5. 8. A reaction is said to be ______ when energy is absorbed.
  6. 10. Surroundings and the system.
Down
  1. 2. Branch of chemistry concerned with the quantities of heat evolved or absorbed during chemical reactions.
  2. 4. Everything outside the system.
  3. 5. Form of energy that flows between two samples of matter due to their difference in temperature.
  4. 9. The capacity to do work.